VARIABLE SPEED DRIVE

Variable Speed Drives transmit the power by a modulated clutch mounted in a housing acting as support and oil sump.

Features (depending on model)

Use of standard and cheap squirrel cage motors
Control can be manual, pneumatic or electrical and can give speed regulation controlled by parameters varying with the driving speed such as pressure, flow, liquid level, etc
Direct, instantaneous response and accurate regulation
Starting-up a motor under no-load conditions and progressive acceleration of the driven machine in conjunction with application requirements
Silent operation even at high speed
No monitoring, no special maintenance requiring skilled labour
High efficiency
Low investment cost
No generation of harmonics and interference in the power supply network
On existing installations, no requirement to change the motor nor the pump

Drinking water and irrigation plants, pumps, fans, compressors

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